#ifndef SQL_CRYPT_INCLUDED
#define SQL_CRYPT_INCLUDED

/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */


#include "sql_alloc.h"
#include "mysql_com.h"                          /* rand_struct */

class SQL_CRYPT : public Sql_alloc
{
    struct rand_struct rand, org_rand;
    char decode_buff[256], encode_buff[256];
    uint shift;
public:
    SQL_CRYPT() {}
    SQL_CRYPT(ulong *seed)
    {
        init(seed);
    }
    ~SQL_CRYPT() {}
    void init(ulong *seed);
    void reinit()
    {
        shift = 0;
        rand = org_rand;
    }
    void encode(char *str, uint length);
    void decode(char *str, uint length);
};

#endif /* SQL_CRYPT_INCLUDED */
